What’s Vulnerable › Vulnerabilities

CVE-2020-36993: LimeSurvey <= 4.3.10 - 'Survey Menu' Persistent Cross-Site Scripting

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-28 · updated 2026-06-17
• Weakness: CWE-79

Description

LimeSurvey 4.3.10 contains a stored cross-site scripting vulnerability in the Survey Menu functionality of the administration panel. Attackers can inject malicious SVG scripts through the Surveymenu[title] and Surveymenu[parent_id] parameters to execute arbitrary JavaScript in administrative contexts.

Affected products

• LimeSurvey: through 4.3.10

References

• https://github.com/LimeSurvey/LimeSurvey/commit/3712854a8fd8d875c67640969a1d54c4d93d3676
• https://www.exploit-db.com/exploits/48762
• https://www.limesurvey.org
• https://www.vulncheck.com/advisories/limesurvey-survey-menu-persistent-cross-site-scripting

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